Recognized by sight: the wrinkly main branches and sparse terminal branches strongly suggest venerabilis instead of tuckermannii; up close venerabilis also bears more conspicuous pycnidia (black dots), I believe — I can give you the paper if you like

Recognized by sight: the wrinkly main branches and sparse terminal branches strongly suggest venerabilis instead of tuckermannii; up close venerabilis also bears more conspicuous pycnidia (black dots), I believe — I can give you the paper if you like